Summary:
Ender pearls can teleport players in spectator mode.
This is a clone of MC-267947 which was fixed in 24w19a and reverted in 24w21a.

Steps to reproduce:

1. Switch to creative mode and obtain an ender pearl.
2. Throw the ender pearl in the sky and switch the spectator mode before it hits the ground.

Observed results:
Players are teleported to the ender pearl's location when it lands despite the player who threw it being in spectator mode.

Expected results:
Players would not be teleported to the ender pearl's location when it lands if the player who threw it is in spectator mode.